Estimates, Plots and Evaluates Leaf Angle Distribution Functions, Calculates Extinction Coefficients

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Documentation for package ‘RLeafAngle’ version 1.0

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BetaDis Compute the Beta distribution of leaf zenith angle.
computeBeta Compute the parameter of Beta function given leaf angle distribution mearuements.
computeG Compute the mean projection of unit leaf area on the plane perpendicular to beam direction, namely, G parameter.
computeGEllip Compute the G value given lamda (the parameter of ellipsoidal function) and beam direction.
computeLambda Compute the parameter of ellipsoidal function given leaf angle distribution mearuements.
computeLambdaR Compute the parameter of rotated-ellipsoidal function given leaf angle distribution mearuements.
computeSunlit Compute the fraction of sunlit folige given solar position, LAI and G value with the assumption of the symmetric distribution of leaf azimuth angle.
computeTrig Compute the parameter of Verhoef's leaf angle distribution given leaf angle mearuements.
ellipsoidalDis Compute the ellipsoidal distribution of leaf zenith angle.
ellipsoidalRDis Compute the rotated ellipsoidal distribution of leaf zenith angle.
estBeta Estimate the parameters of Beta distribution given leaf angle measurements.
extremophileDis Compute the extremophile distribution of leaf zenith angle.
Falster Leaf angle distribution measurements provided by D.S. Falster
interBeta Compute the fraction leaf area given leaf angle intervals (in degree) and the parameters of Beta function.
interEllip Compute the fraction leaf area given leaf angle intervals (in degree) and the parameters of ellipsoidal function.
interEllipR Compute the fraction leaf area for rotated-ellipsoidal function given leaf angle intervals (in degree) and the parameters.
interErectophile Compute the fraction leaf area of Erectophile distribution given leaf angle intervals (in degree).
interExtremophile Compute the fraction leaf area of Extremophile distribution given leaf angle intervals (in degree).
interPlagiophile Compute the fraction leaf area of Plagiophile distribution given leaf angle intervals (in degree).
interPlanophile Compute the fraction leaf area of Planophile distribution given leaf angle intervals (in degree).
interSpherical Compute the fraction leaf area of Spherical function given leaf angle intervals (in degree).
interUniform Compute the fraction leaf area of Uniform distribution given leaf angle intervals (in degree).
intervalTrig Compute the fraction leaf area given leaf angle intervals (in degree) and the parameters of Verhoef's leaf angle distribution function.
LADdensity Retrieve the density of leaf area given leaf angle measurements.
Pisek Leaf angle distribution measurements provided by Jan Pisek
plagiophileDis Compute the plagiophile distribution of leaf zenith angle.
planophileDis Compute the planophile distribution of leaf zenith angle.
plotdensity Plot the density of leaf area given leaf angle measurements.
selectClassic Retrieve the density of leaf area given leaf angle measurements.
sphericalDis Compute the spherical distribution of leaf zenith angle.
sysAziDis Compute the symmetric distribution of leaf azimuth angle.
uniformDis Compute the uniform distribution of leaf zenith angle.